Certain medications, chronic or recurrent nasal disease or exposure to various volatile chemicals can harm olfactory function. Presbyosmia can have a substantial impact on wellbeing, the researchers emphasize. Those who can't detect odors are unable to maintain their personal hygiene.
Food smells have a huge impact on how foods taste, so many with smelling deficits lose the joy of eating. Follow-up interviews with the original study subjects five years later confirmed earlier findings that impaired olfaction also is a harbinger of mortality.
Those with the poorest sense of smell in were three times more likely to have died by than those with normal smell function. Additional authors were Philip Schumm, Kristen E. Wroblewski, David W. Kern and Martha K. McClintock, from the University of Chicago.
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Share with facebook Share with twitter Share with linkedin. While only 2 percent of Europeans lack the genes for smelly armpits , most East Asians and almost all Koreans lack this gene, Day told LiveScience. No one knows exactly why gene prevalence varies so much between populations, but its absence in East Asia suggests that being stinky was evolutionarily selected against there over the last several thousand years, he said. The new findings came as a surprising twist on a larger study investigating chemical exposures in 6, women and their babies in Britain.
Researchers took blood samples which contain genetic material from the women and asked them what types of hygiene products they used daily. As a result, the researchers could investigate how genes related to product usage.
About 98 percent of the women had the gene for smell-producing armpits. Of those, 95 percent used deodorant on a regular basis. But of the the non-odor producing women, over three-quarters still used deodorant daily. That suggests the majority of women are using a product every day, when they have no need to, Day said. Many non-human animals including meerkats, vervet monkeys and prairie dogs can classify predators into different groups and react accordingly to the type of threat they pose.
Elephants classify human ethnic groups by odor and garment color. Curr Biol 17, All rights reserved. Share Tweet Email. Go Further. Animals Wild Cities This wild African cat has adapted to life in a big city. Animals This frog mysteriously re-evolved a full set of teeth. Animals Wild Cities Wild parakeets have taken a liking to London. Animals Wild Cities Morocco has 3 million stray dogs. Meet the people trying to help. Animals Whales eat three times more than previously thought.
Environment Planet Possible India bets its energy future on solar—in ways both small and big. Brewer, W. Psychiatry Research ; There are a few easy ways to combat B.
O : Bathe regularly, wear fresh clothes, and apply deodorant daily. Some people say antiperspirants pose health risks , but the research is unclear. These 27 ideas for using leftover wine prove that it's both satisfying and resourceful. Okra is a fuzzy green vegetable filled with seeds that's full of antioxidants, vitamins, and minerals.
Here's how eating this veggie can offer a bunch…. From cinnamon to maple syrup, these seasonal sips are full of tasty ingredients and cozy vibes. Bananas are already a popular fruit thanks to their sweet taste and convenient built-in packaging. But they also have lots of health perks to offer…. Prune juice is a common home remedy for constipation, but it also has plenty of other health benefits.
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